package cn.cvs.Service;


import org.apache.log4j.Logger;


import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

@Component
@Aspect
public class UserServiceLogger {
    private static final Logger log=Logger.getLogger(UserServiceLogger.class);

    @Pointcut("execution(public void shows())")
    public void pointcut(){}

    /**
     * 前置增强代码
     */
    @Before("pointcut()")
    public void before(JoinPoint jp){
        log.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()
        +"方法");
    }
    /**
     * 后置增强代码
     */

    @AfterReturning(pointcut = "pointcut()",returning = "result")
    public void afterReturning(JoinPoint jp,Object result){
        log.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()
                +"方法。方法返回值："+result);
    }
}
